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EP0394094
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EP About this file: EP0394094
| EP0394094 - Travelling-wave tube provided with a brazed helix delay line structure [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 17.08.1993 Database last updated on 14.11.2024 | Most recent event Tooltip | 17.08.1993 | Application deemed to be withdrawn | published on 06.10.1993 [1993/40] | Applicant(s) | For all designated states THOMSON TUBES ELECTRONIQUES 38, rue Vauthier 92100 Boulogne-Billancourt / FR | [N/P] |
| Former [1990/43] | For all designated states THOMSON TUBES ELECTRONIQUES 38, rue Vauthier F-92100 Boulogne-Billancourt / FR | Inventor(s) | 01 /
Santonja, Noel, Thomson CSF SCPI - Cédex 67 F-92045 Paris La Défense / FR | 02 /
Henry, Dominique, Thomson CSF SCPI - Cédex 67 F-92045 Paris La Défense / FR | [1990/43] | Representative(s) | Guérin, Michel, et al Marks & Clerk France Conseils en Propriété Industrielle Immeuble Visium 22, Avenue Aristide Briand 94117 Arcueil Cedex / FR | [N/P] |
| Former [1990/43] | Guérin, Michel, et al THOMSON-CSF SCPI B.P. 329 50, rue Jean-Pierre Timbaud F-92402 Courbevoie Cédex / FR | Application number, filing date | 90400972.7 | 10.04.1990 | [1990/43] | Priority number, date | FR19890005321 | 21.04.1989 Original published format: FR 8905321 | [1990/43] | Filing language | FR | Procedural language | FR | Publication | Type: | A1 Application with search report | No.: | EP0394094 | Date: | 24.10.1990 | Language: | FR | [1990/43] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 24.07.1990 | Classification | IPC: | H01J23/26 | [1990/43] | CPC: |
H01J23/26 (EP,US)
| Designated contracting states | DE, FR, GB, IT [1990/43] | Title | German: | Wanderfeldröhre mit einer Verzögerungsleitung, die eine gelötete Spirale enthält | [1990/43] | English: | Travelling-wave tube provided with a brazed helix delay line structure | [1990/43] | French: | Tube à ondes progressives muni d'une ligne à retard à hélice brasée | [1990/43] | File destroyed: | 12.06.1999 | Examination procedure | 08.11.1990 | Examination requested [1991/01] | 02.12.1992 | Despatch of a communication from the examining division (Time limit: M04) | 14.04.1993 | Application deemed to be withdrawn, date of legal effect [1993/40] | 13.05.1993 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1993/40] | Fees paid | Renewal fee | 13.03.1992 | Renewal fee patent year 03 | Penalty fee | Additional fee for renewal fee | 30.04.1993 | 04 M06 Not yet paid |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [Y]US4185225 (DOEHLER OSKAR F [US], et al); | [Y]EP0129314 (STANDARD TELEPHONES CABLES LTD [GB]) | [A] - I.E.D.M., San Francisco, CA, 13-15 décembre 1982 pages 18-21, IEEE, New York, US; R.M. PHILLIPS: "Some surprising helical interaction circuits... |